標題: Hall-effect mobility of pentacene films prepared by the thermal evaporating method with different substrate temperature
作者: Lin, Yow-Jon
Tsao, Hou-Yen
Liu, Day-Shan
光電工程學系
Department of Photonics
關鍵字: Hall mobility;hopping conduction;metal-insulator transition;organic semiconductors;semiconductor growth;semiconductor thin films;vacuum deposition
公開日期: 1-一月-1970
摘要: We studied the Hall-effect mobility of pentacene films prepared by the thermal evaporating method with different substrate temperature. A crossover from coherent bandlike charge transport with mobilities up to several tens of cm(2)/V-s at low temperature to an incoherent hopping motion at high temperature is observed. The carrier mobilities of pentacene exhibit a hopping-to-band transition around room temperature. An exhibition of high mobility of pentacene films prepared with substrate temperature of 90 degrees C is attributed to the increased spacing between molecules. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4733293]
URI: http://dx.doi.org/13302
http://hdl.handle.net/11536/16753
ISSN: 0003-6951
DOI: 13302
期刊: APPLIED PHYSICS LETTERS
Volume: 101
Issue: 1
結束頁: 
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